General information for Welch Construction Inc.
Physical address
4331 Slate Hill Rd, Marcellus, Ny, 13108
Mailing address
4331 Slate Hill Rd, Marcellus, NY, 13108
Points of contact for Welch Construction Inc.
SAM.gov Points of Contact
MARK
Welch
Government Business POC
Alternate Government Business POC
Electronic Business POC
Alternate Electronic Business POC
PRESIDENT
4331 SLATE HILL ROAD, MARCELLUS, NY, 13108
Additional contact details may be available
NAICS codes for Welch Construction Inc.
| Code | Description | Small Business |
|---|---|---|
| 236220 PRIMARY | Commercial and Institutional Building Construction | Yes |
| 221320 | Sewage Treatment Facilities | Yes |
| 236210 | Industrial Building Construction | Yes |
|
237110
|
Water and Sewer Line and Related Structures Construction
|
Yes
|
|
237120
|
Oil and Gas Pipeline and Related Structures Construction
|
Yes
|
|
237130
|
Power and Communication Line and Related Structures Construction
|
Yes
|
|
237310
|
Highway, Street, and Bridge Construction
|
Yes
|
|
237990
|
Other Heavy and Civil Engineering Construction
|
No
|
|
238110
|
Poured Concrete Foundation and Structure Contractors
|
Yes
|
|
238120
|
Structural Steel and Precast Concrete Contractors
|
Yes
|
|
238140
|
Masonry Contractors
|
Yes
|
|
238160
|
Roofing Contractors
|
Yes
|
|
238190
|
Other Foundation, Structure, and Building Exterior Contractors
|
Yes
|
|
238210
|
Electrical Contractors and Other Wiring Installation Contractors
|
Yes
|
|
238220
|
Plumbing, Heating, and Air-Conditioning Contractors
|
Yes
|
|
238310
|
Drywall and Insulation Contractors
|
Yes
|
|
238330
|
Flooring Contractors
|
Yes
|
|
238350
|
Finish Carpentry Contractors
|
Yes
|
|
238390
|
Other Building Finishing Contractors
|
Yes
|
|
238910
|
Site Preparation Contractors
|
Yes
|
|
238990
|
All Other Specialty Trade Contractors
|
No
|
|
314120
|
Curtain and Linen Mills
|
Yes
|
|
332312
|
Fabricated Structural Metal Manufacturing
|
Yes
|
|
332321
|
Metal Window and Door Manufacturing
|
Yes
|
|
332322
|
Sheet Metal Work Manufacturing
|
Yes
|
|
332323
|
Ornamental and Architectural Metal Work Manufacturing
|
Yes
|
|
332710
|
Machine Shops
|
Yes
|
|
334510
|
Electromedical and Electrotherapeutic Apparatus Manufacturing
|
Yes
|
|
337211
|
Wood Office Furniture Manufacturing
|
Yes
|
|
561210
|
Facilities Support Services
|
Yes
|
|
561622
|
Locksmiths
|
Yes
|
|
562910
|
Remediation Services
|
No
|
Contract awards for Welch Construction Inc.
3 award(s) found| Opportunity | Award Amount | Award Date |
|---|---|---|
| Repair/Replace HVAC Systems | $7,793,000.00 | Jul 11, 2025 |
| Y1DA--Copy of NRM - CONSTR - 528A5-25-513 REPLACE... | $94,000.00 | Oct 16, 2025 |
| Z1DA--NRM-CONST- 528A7-23-103 REPLACE FAN COILS | $1,290,088.00 | Feb 17, 2026 |
Update history
13 change(s) tracked
Aug 14, 2025
NAICS 238990: exception NN → YY
Aug 14, 2025
NAICS 238910: small-business status No → Yes
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