Active registration

Larson & Darby, Inc.

Rockford, IL

General information for Larson & Darby, Inc.

Physical address
4949 Harrison Ave Ste 100, Rockford, Il, 61108
Mailing address
4949 Harrison Avenue Ste 100, Rockford, IL, 61108
Website
larsondarby.com

Points of contact for Larson & Darby, Inc.

SAM.gov Points of Contact

Stephen Nelson
Government Business POC
4949 Harrison Avenue, ROCKFORD, IL, 61108
Gerald Buttice
Electronic Business POC Alternate Electronic Business POC
4949 HARRISON AVENUE, ROCKFORD, IL, 61108

Additional contact details may be available

NAICS codes for Larson & Darby, Inc.

Code Description Small Business
541310 PRIMARY Architectural Services Yes
541330 Engineering Services No

Update history

1 change(s) tracked
Feb 13, 2026
NAICS 541310: small-business status No → Yes
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