Company Name: Keystone General Contracting and Technologies, LLC

Address: 815 Red Eagle Road, Ohatchee, AL 36271

Telephone: (800) 658-5717

Facsimile: (888) 924-2561

E-mail: info@KeystoneGeneral.com

Website: www.KeystoneGeneral.com

Date Established: 01 April, 2011

DUNS Number: 967 994 489

CAGE Code: 6CLF9

Business Types:

A5 – Veteran Owned Business

LJ – Limited Liability Company

QF – Service Disabled Veteran Owned Business

VW – Contracts and Grants

2X – For-Profit Organization

NAICS Codes (Program Specific):

541690 – Other Scientific and Technical Consulting
Services

541712 — Research and Development in the Physical, Engineering, and Life Sciences

221119 – Power generation, solar electric, solar farms

21222 – Beneficiating (i.e., Preparing) Ores Valued Chiefly For Their Gold and/or Silver Content

236210 – Industrial Building Construction

236220 – Commercial and Institutional Building
Construction

237130 – Power and Communication Line and
Related Structures Construction

237210 – Land Subdivision

238220 – HVAC

238990 – All Other Specialty Trade Contractors

238330 – Flooring

238160 – Roofing

512110 – Motion Picture and Video Production

517911 – Telecommunication

3351 – Lighting (LED)

518210 – Data Processing, Hosting, and Related
Services

541511 – Custom Computer Programming Services

541513 – Computer Facilities Management Services

541519 – Other Computer Related Services

541620 – Environmental Consulting Services

561730 – Landscape Services

562910 – Remediation Services

624221 – Temporary Shelters