Northern Illinois
Rockford, Chicago exurbs, DeKalb
Confirm locally required roof design loads, frost and foundation details, winter access, and safe snow-shedding locations.
Illinois builder directory
Compare 52 published builder profiles serving Illinois for pole barns, workshops, garages, agricultural buildings, horse barns, barndominiums and other post-frame projects.
Listings include companies based in Illinois and companies that report serving the state. Confirm your county, project type, current credentials and availability directly with the builder. Editorial guidance reviewed August 2026.
52
builders listed as serving Illinois
4.4 / 5
average displayed rating across 29 rated listings
3 quotes
recommended for a scope-by-scope comparison
Most post-frame builders can construct several building types. Open each profile, confirm the current service area, and ask for recent examples comparable to your exact project and scope.
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52 builders serving Illinois
Shelbyville, KY
Washington, IL
Blunier Builders, Inc works with post-frame and pole-barn construction and agricultural and farm buildings from Washington, Illinois.
West Salem, WI
Brickl Brothers Inc works with barndominiums and agricultural and farm buildings from West Salem, Wisconsin.
Lexington, IL
Bryan's Post Frame Construction, Inc works with post-frame and pole-barn construction and agricultural and farm buildings from Lexington, Illinois.
Bluford, IL
Built-Mor Buildings Inc works with post-frame and pole-barn construction and barndominiums from Bluford, Illinois.
bourbonnais, IL
CC Buildings is an NFBA-member post-frame builder based in bourbonnais Illinois. They serve 2 states.
Bunker Hill, IL
CNC Construction Services Inc. - Lester Building Systems Dealer is an NFBA-member post-frame builder based in Bunker Hill Illinois. They serve Illinois.
Fort Morgan, CO
Cleary Building Corp works with post-frame and pole-barn construction and barndominiums from Fort Morgan, Colorado.
Godfrey, IL
Ashland, IL
Custom Structures Inc works with post-frame and pole-barn construction and agricultural and farm buildings from Ashland, Illinois.
Marion, IL
Dimension Construction works with post-frame and pole-barn construction and steel and metal buildings from Marion, Illinois.
Princeville, IL
EB Buildings and Lumber Co works with post-frame and pole-barn construction from Princeville, Illinois.
Fairfax, IA
Eastern Iowa Building, Inc. An FBi Buildings Company works with post-frame and pole-barn construction and barndominiums from Fairfax, Iowa.
Remington, IN
FBi Buildings, Inc works with post-frame and pole-barn construction and barndominiums from Remington, Indiana.
Red Bud, IL
FS Construction Services is the construction division of Gateway FS, serving southern Illinois with new buildings, pole barns, machine storage, garage doors, grain systems, metal roofing,...
Sheffield, IL
Franklin Pole Buildings LLC works with post-frame and pole-barn construction and agricultural and farm buildings from Sheffield, Illinois.
Sullivan, IL
Graber & Sons Construction LLC works with post-frame and pole-barn construction and commercial buildings from Sullivan, Illinois.
Sullivan, IL
Graber Building Supply works with post-frame and pole-barn construction and commercial buildings from Sullivan, Illinois.
Bismarck, ND
Greystone Construction Company works with commercial buildings and garages, workshops, and storage buildings from Bismarck, North Dakota.
Roanoke, IL
H & D Quality Builders works with post-frame and pole-barn construction and agricultural and farm buildings from Roanoke, Illinois.
Evansville, IN
Hobgood Post Frames works with post-frame and pole-barn construction and barndominiums from Evansville, Indiana.
Evansville, IN
Hobgood Post Frames Inc works with post-frame and pole-barn construction and barndominiums from Evansville, Indiana.
Sherrard, IL
Indian Bluff Supply works with post-frame and pole-barn construction and barndominiums from Sherrard, Illinois.
Freeport, IL
Jason Kerr Construction works with post-frame and pole-barn construction and agricultural and farm buildings from Freeport, Illinois.
Geneseo, IL
Johnson Construction Group, Inc. - Lester Building Systems Dealer, LLC is an NFBA-member post-frame builder based in Geneseo Illinois. They serve Illinois.
Live Oak, FL
Keen's Buildings works with post-frame and pole-barn construction and agricultural and farm buildings from Live Oak, Florida.
OTTAWA, IL
Leon Builders, LLC is an NFBA-member post-frame builder based in OTTAWA Illinois. They serve Illinois.
Clear Brook, VA
Lester Building Systems LLC works with post-frame and pole-barn construction and agricultural and farm buildings from Clear Brook, Virginia.
Beecher City, IL
Longhorn Buildings LLC works with post-frame and pole-barn construction and barndominiums from Beecher City, Illinois.
Greenville, IL
Winchester, KY
Mansea Metal & Midwestern Buildings works with post-frame and pole-barn construction and agricultural and farm buildings from Winchester, Kentucky.
La Porte, IN
Milmar Buildings works with post-frame and pole-barn construction and agricultural and farm buildings from La Porte, Indiana.
St Anne, IL
Milmar Homes LLC works with barndominiums and agricultural and farm buildings from St Anne, Illinois.
Morton, IL
Morton Buildings Corporate works with post-frame and pole-barn construction and agricultural and farm buildings from Morton, Illinois.
Hanceville, AL
Morton Buildings, Inc works with post-frame and pole-barn construction and agricultural and farm buildings from Hanceville, Alabama.
Marion, IL
Newcomb Construction works with post-frame and pole-barn construction and agricultural and farm buildings from Marion, Illinois.
Oregon, IL
Belleville, IL
O'Neil Building & Supply works with post-frame and pole-barn construction and barndominiums from Belleville, Illinois.
Marion, IL
PLD Building Company, LLC works with post-frame and pole-barn construction and commercial buildings from Marion, Illinois.
Toledo, IL
Peters Buildings Inc works with post-frame and pole-barn construction and commercial buildings from Toledo, Illinois.
Shorewood, IL
Post Frame Construction works with post-frame and pole-barn construction and barndominiums from Shorewood, Illinois.
Carthage, IL
Prairie Construction & Contracting LLC is an NFBA-member post-frame builder based in Carthage Illinois. They serve Illinois.
Hillsboro, IL
Pro Bilt Bldgs LLC is an NFBA-member post-frame builder based in Hillsboro Illinois. They serve Illinois.
Hopedale, IL
Ragland Buildings and Supply works with post-frame and pole-barn construction and agricultural and farm buildings from Hopedale, Illinois.
Sterling, IL
Rural Renovators works with post-frame and pole-barn construction and agricultural and farm buildings from Sterling, Illinois.
Deer Creek, IL
Schieler Quality Builders, LLC is an NFBA-member post-frame builder based in Deer Creek Illinois. They serve Illinois.
Carbondale, IL
Shawnee Meadows Builders is an NFBA-member post-frame builder based in Carbondale Illinois. They serve Illinois.
Marion, IL
Tru-Bilt Buildings works with post-frame and pole-barn construction and agricultural and farm buildings from Marion, Illinois.
Marion, IL
Tru-Bilt Farm & Commercial Building Co Inc is an NFBA-member post-frame builder based in Marion Illinois. They serve Illinois.
Allenton, WI
Walters Buildings works with post-frame and pole-barn construction and barndominiums from Allenton, Wisconsin.
DeKalb, IL
Young Custom Contractors, Inc works with post-frame and pole-barn construction and agricultural and farm buildings from DeKalb, Illinois.
DeKalb, IL
Zenz Buildings is a DeKalb, Illinois post-frame contractor for agricultural, commercial, equestrian, and suburban projects, including garages, hobby shops, machinery storage, and riding arenas.
Buyer guide
The best fit is not automatically the closest company or the lowest headline price. Start with builders that serve your county and show relevant work, then compare responsibility for design, permits, site preparation, concrete, utilities, exclusions, schedule and warranty.
52
Confirm the exact counties served and current scheduling directly with each company.
29
Ratings are a comparison signal, not a substitute for checking current credentials, recent references and comparable work.
Common specialties
Pole barns · Workshops · Garages · Agricultural buildings
Use the project filter above, then verify comparable completed work.
Statewide directories are only a starting point. Service radius, delivery distance, local design criteria, terrain, and permit routing can change across the state. Use these regions to narrow your first conversations, not as legal jurisdiction boundaries.
Rockford, Chicago exurbs, DeKalb
Confirm locally required roof design loads, frost and foundation details, winter access, and safe snow-shedding locations.
Peoria, Bloomington, Springfield
Ask about site exposure, locally required wind design, access for long trusses, utilities, and drainage across open land.
Carbondale, Marion, Metro East
Confirm floodplain status, stormwater and drainage requirements, septic or sewer constraints, and all-weather site access.
Confirm before design is final
Illinois combines statewide code requirements with local or state enforcement that can vary by jurisdiction and project type. Start with the city, county, town, borough, or state office serving the exact parcel, then confirm zoning, building, floodplain, septic, driveway, electrical, and other approvals that apply to the proposed use.
Illinois building codes and local contactsCheck the contracting business
Illinois does not issue one general-contractor license that covers every post-frame project; local requirements and state-licensed trades should be checked separately.
Illinois professional license lookupThis is practical planning guidance, not a permit determination or legal advice. The authority serving the exact parcel controls the answer.
Builders can price more accurately when each one receives the same site facts and scope. Resolve these items early, or identify them as explicit allowances instead of letting bidders make different assumptions.
Storage, agricultural, commercial and residential uses can follow different zoning and code paths.
Confirm jurisdiction, zoning district, easements, setbacks, height limits and private covenants.
Plan grading, drainage, soils, delivery access, equipment staging and a durable building pad.
Have the responsible designer confirm locally required wind, snow, seismic, frost and exposure criteria.
Compare post embedment or bracket details, uplift resistance, splash protection, vapor control and slab drainage.
Map electric, plumbing, HVAC, well, septic or sewer, driveway, floodplain and fire-access requirements.
A statewide per-square-foot promise is usually less useful than a complete scope. Post-frame bids can look far apart because one includes the slab, site work, engineering and doors while another prices only the erected shell.
Ask every bidder to label each category as included, excluded, allowance, owner-supplied or priced by another contractor. Then add a reasonable contingency for unresolved site conditions and selections.
| Scope group | Items to identify |
|---|---|
| Building shell | Posts, trusses, purlins, girts, roofing, siding, trim, fasteners and erection |
| Site and foundation | Survey, clearing, grading, excavation, stone, drainage, footings, brackets or embedded columns |
| Openings | Overhead doors, operators, service doors, windows, headers, framing and hardware |
| Interior performance | Condensation control, insulation, ventilation, liner panels, partitions and fire separation |
| Concrete and exterior work | Base, vapor retarder, reinforcement, slab, aprons, sidewalks and final grade |
| Professional and government costs | Surveying, engineering, permit fees, plan revisions, inspections and testing |
| Building systems | Electrical, plumbing, HVAC, fire protection, well, septic, sewer and utility service |
Free planning worksheet
A lower total is not a better deal if the site work, slab, engineering, doors, or permits are missing. Fill in the same project brief for every bidder, then record what each written proposal includes.
Ask the same questions in the same order and request written answers inside the proposal or contract. Clear responsibility matters more than a polished sales presentation.
Post Frame Network currently lists 52 builders serving Illinois. A listing can represent a company based in Illinois or one that reports serving the state. Use each profile to confirm the counties served, project type, availability, and current credentials.
Illinois combines statewide code requirements with local or state enforcement that can vary by jurisdiction and project type. Start with the city, county, town, borough, or state office serving the exact parcel, then confirm zoning, building, floodplain, septic, driveway, electrical, and other approvals that apply to the proposed use. Treat any agricultural exemption as something to verify in writing; it may affect the building permit without removing zoning or separate trade and site approvals.
There is no reliable statewide price for a pole barn because the total changes with size, design loads, site work, access, concrete, doors, insulation, utilities, interior finish, permits, and what the quote excludes. Compare at least three written quotes against the same scope, then separate the building shell from site work, slab, utilities, and owner-supplied items.
The field erection may be only one part of the schedule. Design decisions, engineering, permit review, site preparation, utility coordination, material lead times, inspections, weather, and interior work can add substantial time. Ask every builder for both an estimated start window and a written list of items that must be complete before the crew mobilizes.
Possibly, but the answer is parcel-specific. Confirm that residential use is allowed, then verify setbacks, dwelling standards, utilities, septic or sewer, energy requirements, driveway access, fire access, and certificate-of-occupancy requirements before committing to a floor plan or shell contract. Private covenants can be more restrictive than public zoning.
Compare documented experience with your project type, service area, license or registration status where applicable, insurance, engineering responsibility, permit responsibility, foundation and moisture details, exclusions, payment schedule, change-order process, warranty, and recent references. Use the quote-comparison worksheet on this page so each bidder prices the same scope.
Return to the directory, filter by project type, open the strongest profiles and give each builder the same written project brief.