Herwit Engineering is an engineering consulting firm located in Clayton, California. The firm has been active in the area since at least 2018, providing various engineering services to clients. Those in need of engineering expertise can reach out to them for assistance in their projects.

BBS Masonry

Building Construction Consultants

📍 1894 Brownwood Ct, Concord, CA, 94521

📞 925-429-1227

Kaljian Construction

Remodeling & Repair Building Contractors Referral

📍 1343 Montana Dr, Concord, CA, 94521

📞 925-383-2947

Kaljian Construction is a is a fair, experienced, and honest Concord remodeling contractor that works as quickly and efficiently as possible.

Updated Sep 2026

Sierra Security Consulting

Security Systems & Consultants

📍 5594 Redondo Ct, Clayton, CA, 94517

📞 925-524-0320

🌐 sierrasecurityconsulting.com

Sierra Security Consulting is a security systems and consulting firm located in Clayton, California. It has an active online presence as of 2025, indicating ongoing operations. Clients in the area can seek expertise in security solutions and consulting services.

Brown Gary M Building Contractor

Builders & General Contractors

📍 Serving Your Area, Clayton, CA, 94517

📞 925-672-9828

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