Grainger Contracting & Services was founded with a single purpose: to provide federal and public-sector clients with the same level of discipline, accountability, and quality that government contracts demand.
Over the past decade, we have grown into a trusted federal prime contractor with a proven track record across multiple federal agencies — delivering construction, mechanical, civil, and facility projects on time and within budget.
Our approach is simple: bring the right people, the right systems, and the right attitude to every project. From the first site walk to final closeout, we treat each contract as a reflection of our reputation and our commitment to the clients we serve.
Our mission is to deliver predictable, compliant project execution for federal and public-sector clients — with strong site coordination and zero surprises.
We own every outcome on every project. When something needs to be addressed, we address it — no excuses, no finger-pointing.
We deliver to specification — not close to spec, but exactly to spec. Every task, every trade, every time.
Rigorous safety protocols protect our people, our clients, and the communities around every project site. Safety is non-negotiable.
Federal contracting demands precision documentation and strict adherence to agency requirements. We deliver it, every time, without fail.
Federal contracting requires more than construction capability — it requires a contractor who understands documentation, compliance, and the coordination demands of government facilities.
Our project managers are present on every job — not managing remotely. Eyes on the site, every day.
Mechanical, civil, electrical, and general construction under a single prime contract — one point of accountability.
Pre-qualified trade partners who understand federal project standards — selected for performance, not just price.
Clean, complete closeout packages delivered promptly so agencies can close their contracts on schedule.
Active federal contractor in good standing — bonded, insured, and Davis-Bacon compliant on all applicable projects.
Licensed and bonded to operate on federal facilities across the continental United States since 2016.
Proven track record across USDA, DoD, DOJ, NPS, FAA, USCG, Army, Navy, Air Force, and more.
Nearly a decade of federal prime contracting with 160+ completed projects and a 100% client satisfaction record.
Active registration, government-verified certifications, and a full NAICS scope built for federal prime contract work.
Entity Identifiers
Unique Entity ID (UEI)
EWT1YS4HR333
CAGE Code
7MUY3
Registration Status
● Active · All Awards
Primary NAICS
236220
In Business Since
May 2016
Certifications & Set-Asides
Small Business (SB)
Verified small business under SBA size standards for primary NAICS 236220. Eligible for small business set-aside contracts across all qualifying NAICS codes.
Disaster Response Registry
Listed in the SAM.gov Disaster Response Registry. Eligible for emergency and disaster relief contracting in any U.S. state.
Active SAM.gov Registration
Continuously registered since June 2016. Purpose of registration: All Awards. No active exclusions.
Core NAICS Capabilities
236220 ★
Commercial & Institutional Building Construction
238220
Plumbing, Heating & Air-Conditioning Contractors
238210
Electrical Contractors & Wiring Installation
238330
Flooring Contractors
238160
Roofing Contractors
237310
Highway, Street & Bridge Construction
238910
Site Preparation Contractors
238310
Drywall & Insulation Contractors
★ Primary NAICS · Full NAICS list available at sam.gov/entity/EWT1YS4HR333
Official ratings issued by federal contracting officers — on file in the U.S. government's CPARS database.
Source: CPARS.mil · Contractor Performance Assessment Reporting System · U.S. Federal Government
Whether you have an upcoming federal project or want to explore subcontracting opportunities, we'd like to hear from you.