The Historical and Institutional Foundations of Lafayette’s Industrial Base

To comprehend the application of federal and state tax laws to specific industries in Lafayette, Indiana, it is necessary to first examine the historical and institutional variables that transformed the region into a nexus of advanced manufacturing, aerospace, and life sciences. The economic development of Lafayette and its adjacent twin city, West Lafayette, is deeply rooted in nineteenth-century transportation infrastructure and the subsequent establishment of a premier land-grant academic institution.

In the mid-nineteenth century, Lafayette emerged as a critical shipping and trade center due to its strategic position on the Wabash River and the completion of the Wabash and Erie Canal in 1843. However, the true catalyst for heavy industrialization was the arrival of the railroad network. The Monon Railroad (officially the Chicago, Indianapolis, and Louisville Railway), which connected the Great Lakes to the Ohio River, established its major manufacturing and repair shops in Lafayette in 1892 to construct boxcars, passenger cars, and cabooses. This facility quickly became the area’s largest employer, supporting over 1,000 workers during its peak operations and permanently embedding a culture of heavy manufacturing, metallurgy, and mechanical engineering into the local workforce. The industrial spine of the city grew along these rail corridors, attracting early manufacturers of agricultural implements, electrical switchboards, and automotive components.

Parallel to this infrastructural expansion was the founding of Purdue University in 1869, following a massive donation of land and capital by Lafayette businessman John Purdue. Originally established under the Morrill Act to teach agriculture and the mechanic arts, Purdue University systematically evolved into one of the highest-rated research institutions globally, classified today as an “R1: Doctoral University – Very high research activity”. The university’s influence on the local industrial ecosystem cannot be overstated. In 1930, Purdue became the first university in the United States to own an airport, serving as a “flying laboratory” for aviation pioneers like Amelia Earhart and laying the academic groundwork for a world-class aerospace engineering program.

Furthermore, the establishment of the Purdue Research Park in 1961—the third facility of its kind in the United States—created an intentional, geographically proximal environment for industry-academia collaboration. By offering an incubation complex where private enterprises could leverage university faculty, tap into a highly trained student talent pipeline, and access sophisticated laboratory data, Lafayette transitioned from traditional rust-belt manufacturing to a high-technology cluster. Today, the region boasts an economy where manufacturing comprises twenty percent of all employment, heavily weighted toward research-intensive activities that perfectly align with the statutory intent of state and federal tax incentives.

Industry Case Studies in Lafayette, Indiana

The following case studies demonstrate how five distinct industrial sectors, drawn to Lafayette by its historical infrastructure and the intellectual capital of Purdue University, engage in activities that satisfy the rigorous federal and state requirements for Research and Development tax credits.

Aerospace Propulsion and Defense Engineering: GE Aviation and Saab

Historical Context and Development Lafayette’s aerospace sector is a direct descendant of the region’s pioneering aviation history. The area was the site of the first official United States airmail delivery via a hot air balloon piloted by John Wise in 1859. Building on this legacy, Purdue University opened the first university-owned airport and formally established a School of Aeronautics in 1945. Recognizing this localized pipeline of specialized talent, major global aerospace firms systematically anchored themselves in the Purdue Research Park Aerospace District. In 2014, GE Aviation (now GE Aerospace) announced a $100 million jet engine assembly facility in Lafayette to build the LEAP engine, explicitly citing the proximity to Purdue’s world-class engineering school and the history of collaborative advanced manufacturing research as the primary site selection factors. Similarly, the Swedish defense and security company Saab established a flagship facility in West Lafayette to manufacture the aft fuselage for the T-7A Red Hawk military jet trainer, partnering directly with the university on sensor systems and artificial intelligence.

Technological R&D Examples At the GE Aviation facility, manufacturing the LEAP engine involves highly complex assembly techniques utilizing novel material systems, such as the implementation of the first ceramic matrix composite (CMC) components in the hot section of a commercial jet engine and the integration of carbon-fiber front fan blades. The research and development process does not merely involve the theoretical design of the engine, but the practical development of automation, robotics, and unique automated vision inspection systems for the shop floor to ensure extreme manufacturing tolerances. For Saab, the engineering required to transition the T-7A Red Hawk from prototype to full-scale mass production involves advanced additive manufacturing techniques and structural tolerance testing of major fuselage sections.

Federal and State Tax Eligibility Analysis Under the federal Internal Revenue Code (IRC) Section 41, the development of new manufacturing processes for the LEAP engine and the T-7A fuselage clearly satisfies the statutory four-part test for qualified research. The technological uncertainty lies in how to safely and efficiently assemble novel CMC materials at scale without compromising structural integrity. The process of experimentation involves running pilot assembly lines, conducting static impact tests, and iterating robotic programming sequences. Crucially, because these experimental activities occur before the manufacturing process is finalized for continuous commercial output, they successfully avoid the “research after commercial production” exclusion codified under IRC Section 41(d)(4)(A).

Because Saab and GE Aerospace operate heavily in the defense and commercial contracting space, they must navigate the federal “funded research” exclusion under IRC Section 41(d)(4)(H). Research funded by a contract is excluded from the credit if the taxpayer does not bear the financial risk of failure or does not retain substantial rights to the intellectual property. In the recent Tax Court case System Technologies, Inc. v. Commissioner (2024), which explicitly applied Indiana state law to contract interpretation, the court determined that standard warranty provisions did not override general state-law remedies for breach of contract. Because the buyer could demand a refund under Indiana law if the engineering research failed, the payments were deemed contingent on success, meaning the taxpayer retained the economic risk and the research was not “funded”. This jurisprudence is highly protective of Lafayette’s defense contractors.

For Indiana state tax purposes, defense contractors operating in Lafayette can leverage the highly advantageous Aerospace Alternative Credit (IC 6-3.1-4-2.5). This specialized provision was enacted because standard credit calculations, which rely on historical base periods from the 1980s, unfairly penalized aerospace manufacturers whose 1980s federal defense spending artificially inflated their baselines. If a manufacturer is primarily engaged in jet propulsion production, is a Department of Defense contractor, and maintains state-wide employment of at least 3,000 workers paid at 400 percent of the minimum wage, they can secure a flat ten percent credit on incremental QREs over a simplified fifty percent rolling base.

Automotive Manufacturing and Hybrid Technology: Subaru of Indiana Automotive (SIA)

Historical Context and Development In the late 1980s, Lafayette’s landscape of agricultural farmland was permanently altered when Fuji Heavy Industries (now Subaru Corporation) and Isuzu sought a location for a joint United States manufacturing venture to circumvent import logistical complexities. Lafayette was selected out of thirteen final evaluated sites across seven states due to a combination of aggressive state incentives, proximity to the heavy transit corridors (Interstate 65), and direct access to the engineering talent emanating from Purdue University. Operating since 1989, Subaru of Indiana Automotive (SIA) is Subaru’s only manufacturing facility located outside of Asia.

Technological R&D Examples SIA is globally recognized for its environmental engineering innovations. In 2004, it became the first United States automotive assembly plant to achieve “zero landfill” status. This was achieved through massive process engineering efforts, such as developing ultrasonic weld testing protocols to replace traditional destructive weld testing, thereby eliminating scrap metal waste entirely. Recently, SIA initiated a massive operational shift to begin mass production of the 2026 Forester Hybrid—the first hybrid vehicle produced by Subaru in the United States.

Federal and State Tax Eligibility Analysis Automotive assembly plants generate substantial Qualified Research Expenses (QREs) not necessarily from the aesthetic design of the vehicle (which often occurs at overseas headquarters), but from the intricate design of the manufacturing process itself. Developing an ultrasonic weld testing protocol qualifies as a new process under the Business Component Test of IRC Section 41. The experimentation involves testing different ultrasonic frequencies against known destructive test benchmarks to ensure structural integrity standards are met, relying fundamentally on principles of physics and engineering.

The integration of the Forester Hybrid powertrain into existing internal combustion engine (ICE) assembly lines presents significant technological uncertainty. Engineering teams must design new jigs, fixtures, and routing protocols for high-voltage battery systems while maintaining line speed and worker safety. The wages of the industrial engineers designing these line modifications, and the supplies consumed during pilot-line test runs, represent prime QREs. Because the Indiana Department of Revenue (DOR) strictly requires contemporaneous documentation to substantiate state claims, SIA’s rigorous ISO 14001 (Environmental Management) and ISO 50001 (Energy Management) certification records, alongside detailed plant engineering schematics, serve as robust, real-time proof of the process of experimentation.

Furthermore, the engineering costs associated with developing these new hybrid assembly lines must now be capitalized and amortized over a sixty-month period under the revised IRC Section 174 rules, enacted by the Tax Cuts and Jobs Act. The IRS has issued sequential guidance, including Notice 2023-63 and Revenue Procedure 2025-08, mandating automatic accounting method changes for these Specified Research or Experimental Expenditures (SREs).

Life Sciences and Pharmaceutical Intermediates: Evonik Tippecanoe Laboratories

Historical Context and Development Lafayette’s prominence in the life sciences is anchored by a sprawling campus on the Wabash River originally established by Eli Lilly and Company in 1954 to manufacture animal health products and antibiotics via natural fermentation. In 2010, the German specialty chemicals giant Evonik Industries acquired Tippecanoe Laboratories from Eli Lilly. Evonik purposely preserved the highly skilled local workforce and the site’s deep institutional culture of current Good Manufacturing Practices (cGMP), successfully transitioning the facility from a captive, single-company cost-center into a global Contract Development and Manufacturing Organization (CDMO) serving over twenty pharmaceutical clients.

Technological R&D Examples Evonik Tippecanoe Laboratories researches, develops, and scales up complex active pharmaceutical ingredients (APIs), including highly potent APIs (HPAPIs) utilized in oncology medications. A massive recent R&D focus is the construction of a $220 million Lipid Innovation Center on the Lafayette campus, heavily funded by the United States government’s Biomedical Advanced Research and Development Authority (BARDA). Evonik researches and produces lipid nanoparticles (LNPs) and plant-derived cholesterol (PhytoChol). LNPs are critical transport mechanisms that envelop delicate mRNA molecules (such as those used in COVID-19 vaccines and advanced cancer immunotherapies) to prevent them from degrading before entering targeted human cells.

Federal and State Tax Eligibility Analysis Scaling up the synthesis of LNPs from a 30-gallon kilo-scale pilot plant to 65,000-gallon production fermentors is fraught with chemical, thermal, and biological uncertainty, perfectly satisfying the Section 174 and Technological in Nature tests of the federal credit. The process of experimentation involves systematically adjusting thermal parameters, agitation rates, and chemical inputs to ensure the LNPs maintain consistent physical parameters (such as nanometer size and electrical charge) and cellular tolerability without degrading the sensitive mRNA payload.

Because Evonik operates as a CDMO, contract terms are critical under federal tax law regarding the funded research exclusion. Based on the Fairchild Industries and recent System Technologies precedents, if Evonik’s contracts dictate that they are only compensated upon the successful delivery of a viable, FDA-compliant API batch (e.g., milestone or fixed-price contracts), Evonik bears the economic risk. In such scenarios, the research is not deemed “funded,” allowing the CDMO to claim the research credits. Furthermore, because the pharmaceutical industry is heavily regulated by the Food and Drug Administration (FDA), the mandatory batch records, biological testing protocols, and safety data generated by Evonik inherently satisfy the Indiana DOR’s draconian contemporaneous documentation requirements, protecting the state credit from audit disallowance.

Advanced Composite Materials in Transportation: Wabash

Historical Context and Development Wabash (formerly Wabash National Corporation) was founded in Lafayette in 1985. Following the corporate raiding and subsequent decline of the nearby Monon Corporation trailer manufacturing facility, former Monon president Jerry Ehrlich and a team of specialized engineers capitalized on local manufacturing know-how and the deregulation of the national trucking industry to launch a new enterprise. Located on the heavy freight corridors of the Midwest (Interstate 65), Wabash revolutionized semi-trailer design, growing rapidly into North America’s largest producer of semi-trailers.

Technological R&D Examples Wabash’s core R&D focuses intensely on lightweighting, structural durability, and thermal efficiency. In 1996, the company introduced DuraPlate, a revolutionary composite panel utilizing a high-density polyethylene core thermally bonded between high-strength steel skins. Recent R&D efforts include the development of EcoNex Technology for refrigerated trailers, which improves thermal capability while drastically reducing weight and corrosion, and aerodynamic solutions like the DuraPlate AeroSkirt, which undergoes extensive field testing to prove fuel consumption reductions of up to six percent for fleet operators.

Federal and State Tax Eligibility Analysis The engineering of composite materials like EcoNex and aerodynamic skirts is fundamentally rooted in the physical sciences and materials engineering. The process of experimentation involves rigorous structural stiffness testing (measured in lbf·in²/in), puncture resistance trials using hydraulic spades, and thermal expansion testing under extreme weather conditions to measure the coefficient of expansion.

Wabash must carefully navigate the “adaptation of existing business components” exclusion under IRC Section 41(d)(4)(B). If a logistics client asks Wabash to merely change the dimensional length of a standard dry van using existing blueprints, the engineering time does not qualify. However, when Wabash engineers a completely new composite floor system or an embedded electrical grid for refrigerated trailers (which they recently patented), they are resolving fundamental uncertainty regarding material bonding and structural load-bearing limits, which fully qualifies.

Wabash must also adhere to the precedent set in the Seventh Circuit case Little Sandy Coal Company, Inc. v. Commissioner (2023), which governs federal tax law in Indiana. The court ruled that the “substantially all” threshold (requiring 80 percent of research to involve a process of experimentation) applies to the activities themselves, not merely the physical components of the product being developed. Furthermore, the court determined that supply costs cannot be factored into the calculation of the 80 percent activity fraction. Therefore, Wabash must meticulously track the specific labor hours its mechanical engineers spend on experimental modeling versus routine production support to ensure the federal claim survives IRS scrutiny.

Agricultural and Food Science: Tate & Lyle and Primient

Historical Context and Development Lafayette’s location within the fertile United States Corn Belt, combined with the agricultural research prowess of Purdue University, made it a natural hub for bio-based ingredient production. The heavy industrial corn wet milling operations in Lafayette trace their roots back through the A.E. Staley Manufacturing Company, which was acquired by the British firm Tate & Lyle in 1988. In 2022, Tate & Lyle executed a strategic spin-off of its primary products business in the Americas to a private equity firm, creating a new standalone entity named Primient, which continues to operate the massive Lafayette mill. Concurrently, Tate & Lyle maintains an operational presence and R&D focus in the region regarding specialty food and beverage solutions.

Technological R&D Examples The Lafayette facilities process vast quantities of corn into sweeteners, starches, and industrial ingredients. The R&D activities in this sector focus heavily on food and beverage reformulation—specifically, the complex science of reducing sugar, calories, and fat while adding dietary fibers (such as PROMITOR soluble corn fiber) without sacrificing taste, mouthfeel, or biological stability over long global distribution cycles.

Federal and State Tax Eligibility Analysis Food science R&D perfectly illustrates how the R&D tax credit extends beyond heavy machinery and software. The development of a new zero-calorie sweetener or a modified clean-label food starch requires a complex process of experimentation rooted deeply in organic chemistry and the biological sciences. When food scientists attempt to formulate a new commercial beverage using an experimental plant-based starch, they face technical uncertainty regarding how the starch will react to pasteurization temperatures, highly acidic pH levels, and prolonged shelf life.

The iterative process of mixing test batches, running them through pilot-scale spray dryers, and conducting rheology (texture) and organoleptic (taste) testing constitutes a qualifying process of experimentation under IRC Section 41. The raw corn inputs and chemical reagents used in these spoiled, uncommercialized, or experimental batches qualify as supply QREs under both federal and Indiana law. By meticulously tracking ingredient consumption worksheets and laboratory formulation notebooks, food science companies can robustly defend their Indiana R&D credit claims against state scrutiny.

Detailed Analysis of United States Federal R&D Tax Credit Requirements

The federal government incentivizes domestic innovation through the Credit for Increasing Research Activities, codified under Section 41 of the Internal Revenue Code (IRC § 41). The statutory intent is to reward taxpayers who bear the financial risk of technical experimentation.

The Four-Part Test for Qualified Research

For an activity to generate eligible expenditures, it must satisfy a rigorous, cumulative four-part test applied at the specific “business component” level. A business component is defined as any product, process, computer software, technique, formula, or invention held for sale, lease, or license, or used by the taxpayer in their trade or business.

• Section 174 Test (Permitted Purpose): The expenditures must be eligible for treatment as research and experimental expenditures under IRC Section 174. The activity must be intended to resolve technological uncertainty concerning the capability, method, or appropriate design of the business component. Following the implementation of the Tax Cuts and Jobs Act, for tax years beginning after December 31, 2021, these Specified Research or Experimental Expenditures (SREs) can no longer be immediately deducted; they must be capitalized and amortized ratably over a sixty-month period (or 180 months for foreign research). The IRS has issued extensive guidance, including Notice 2023-63 and Revenue Procedure 2025-08, to assist taxpayers in managing these complex accounting method changes.
• Technological in Nature Test: The process of experimentation must fundamentally rely on principles of the hard sciences, specifically physical or biological sciences, engineering, or computer science. Economic, market, or social science research is strictly excluded by statute.
• Business Component Test: The research must be undertaken for the purpose of creating a new or improved business component, focusing specifically on enhanced function, performance, reliability, or quality. Activities related merely to style, taste, cosmetic, or seasonal design factors do not qualify.
• Process of Experimentation Test: Substantially all (defined by Treasury Regulations as 80 percent or more) of the research activities must constitute elements of a process of experimentation. This involves identifying specific uncertainties, conceptualizing alternatives, and systematically evaluating those alternatives through modeling, simulation, or physical testing.

Qualified Research Expenses (QREs)

If the activities successfully navigate the four-part test, specific financial expenditures tied directly to those activities can be captured as Qualified Research Expenses (QREs). Under IRC Section 41(b), eligible QREs encompass:

Administrative Reporting Enhancements: Form 6765 Revisions

The IRS has drastically increased the reporting burdens associated with claiming the federal credit. For tax years beginning in 2025, the newly revised Form 6765 requires mandatory completion of Section G for most corporate taxpayers. This section demands granular qualitative and quantitative reporting at the specific business component level, abandoning the historical practice of aggregating costs across the entire enterprise without detailed categorization on the originally filed return. Taxpayers must now list up to fifty business components, detailing the specific QREs (wages, supplies, contract research) attributed to each, and explicitly state the technological information sought. This structural change forces companies to integrate project-based accounting seamlessly with their tax reporting software.

Detailed Analysis of Indiana State Research Expense Tax Credit Requirements

The Indiana Research Expense Tax Credit provides a complementary, highly lucrative offset against state adjusted gross income tax liability. Codified under Indiana Code (IC) 6-3.1-4, the state framework heavily leverages the federal definitions found in IRC Section 41, but introduces distinct localized modifications and exceedingly strict administrative enforcement.

Conformity and Geographic Sourcing

A critical compliance factor is Indiana’s fixed-date conformity. The statute explicitly defines a “Qualified research expense” exactly as it was defined in IRC Section 41(b) as in effect on January 1, 2001. Furthermore, expenses only qualify for the state credit if the research is conducted physically within the geographical borders of Indiana. For multistate corporations operating in Lafayette, this necessitates precise, state-specific time-tracking and expense allocation systems to strip out any out-of-state engineering, supervision, or supply costs.

Calculation Methodologies

Indiana provides taxpayers with several distinct calculation methodologies, depending on their historical R&D spending and their specific industrial classification:

In addition to the income tax credit, Indiana offers a powerful secondary incentive: a 100 percent sales and use tax exemption for depreciable tangible personal property purchased and used directly in qualified research. This exemption is claimed at the point of purchase using Form ST-105 or post-purchase via a refund claim on Form GA-110L.

Strict Contemporaneous Documentation Standards and Case Law

The Indiana Department of Revenue (DOR) applies a notoriously strict interpretation of documentation requirements, far exceeding the practical tolerances occasionally afforded by federal examiners. Under federal precedent, oral testimony combined with subsequent estimates can sometimes substantiate wage QREs. The Indiana DOR explicitly rejects this practice.

Through its Research Expense Credit Handbook and a series of published Letters of Findings (e.g., LOF 02-20190975, LOF 01-20211052, LOF 04-20241336), the DOR dictates that after-the-fact interviews, surveys of subject matter experts, and retrospective R&D studies built years later are completely insufficient to establish a claim. Taxpayers must provide “contemporaneous documentation” generated during the normal course of business at the exact time the research was performed. Acceptable documentation strictly includes project-based accounting records, laboratory notebooks, patent applications, technical test protocols, and raw material usage logs.

This uncompromising standard was unequivocally upheld in the landmark Indiana Tax Court case Tell City Boatworks, Inc. v. Indiana Department of State Revenue (2020). The taxpayer, a custom heavy manufacturer, attempted to claim credits for the design of specific marine vessels. The court ruled heavily against the taxpayer, finding that the activities failed the “process of experimentation” test because there was no documented systematic evaluation of alternatives. Critically, the court emphasized that the taxpayer admitted to not maintaining a contemporary system of project accounting to quantify the specific wage expenses tied to the experimental activities.

The Tell City Boatworks precedent serves as a mandatory compliance warning for all Lafayette-based manufacturers: without real-time, project-level financial tracking and contemporaneous technical documentation, Indiana state credits will be disallowed.

Final Thoughts

The industrial matrix of Lafayette, Indiana, provides a textbook environment for the optimal application of federal and state Research and Development tax credits. Bolstered by the historical infrastructure of the region and the massive intellectual and academic support of Purdue University, the region’s manufacturers continuously engage in the exact types of technological risk-taking that IRC Section 41 and IC 6-3.1-4 were designed to subsidize.

However, the legal and administrative landscape surrounding these credits is becoming increasingly hostile to generalized or poorly documented claims. The United States Tax Court’s rulings regarding the “substantially all” fraction and the IRS implementation of Section G on Form 6765 signal a distinct federal shift toward demanding hyper-specific, business-component-level quantitative data. Simultaneously, the Indiana Department of Revenue’s uncompromising demand for contemporaneous, project-based accounting—and its explicit judicial rejection of retrospective employee interviews—dictates that technical eligibility alone is insufficient. For Lafayette entities ranging from aerospace defense suppliers to global food scientists, realizing the economic benefits of the R&D tax credit requires bridging the operational gap between the engineering floor and the tax department. Companies must institute real-time tracking of wages, supplies, and contract terms, ensuring that the narrative of technological uncertainty and the process of experimentation are documented as the research occurs, thereby securing the financial capital necessary to fund the next generation of Hoosier innovation.

The information in this study is current as of the date of publication, and is provided for information purposes only. Although we do our absolute best in our attempts to avoid errors, we cannot guarantee that errors are not present in this study. Please contact a Swanson Reed member of staff, or seek independent legal advice to further understand how this information applies to your circumstances.