Manufacturing locations near Ontario, CA

Showing 1–10 of 10 results

We track 10 manufacturing listings in and around Ontario, CA, spread over 2 ZIP codes. Listings here were last checked in Oct 2026.

Innovative Crane And Rigging DBA Innovative Mechanical Services

📍 1443 S Cucamonga Ave, Ontario, CA, 91761

📞 909-930-1866

Smartworld Manufacturing Group Inc

📍 1240 E Locust St, Ontario, CA, 91761

📞 909-930-9994

Busy Bee Tooling

📍 1620 Marigold Pl, Ontario, CA, 91761

📞 909-947-8712

🌐 www.busybeetooling.com

Tool and Die maker sheet metal stamping

CAL Main MFG

📍 115 W Main St, Ontario, CA, 91762

📞 909-986-3544

Glenco MFG

📍 707 S Hope Ave, Ontario, CA, 91761

📞 909-984-3348

🌐 www.glencomfg.com

Manufacture of Precision Screw Machine Parts. Inserts,Bushings,Spacers,Shafts,Fittings,Nuts,Brass,Aluminum,Steel,Stainless Steel.

Alger Manufacturing

📍 724 S Bon View Ave, Ontario, CA, 91761

📞 909-986-4591

🌐 alger1.com

Updated Sep 2026

Barzillai Manufacturing Co.

📍 1410 S Cucamonga Ave, Ontario, CA, 91761

📞 909-947-4200

🌐 barzillaimfg.com

Barzillai Manufacturing Co. is a sheet metal contractor based in Ontario, California. They specialize in a variety of products including metal sheets, steel parts, doors, and finishes. The company also offers services for houses and homes, as well as prototypes, catering to diverse construction and manufacturing needs.

US Eastside

📍 1609 S Grove Ave, Ontario, CA, 91761

📞 909-923-8891

Updated Oct 2026

Promarks

📍 1915 E Acacia St, Ontario, CA, 91761

📞 909-923-3888

🌐 promarksvac.com

Promarks is a manufacturing company located in Ontario, California. It has a recent online presence as of 2026, indicating active engagement with its audience. Those in the area can explore its offerings in manufacturing solutions.

Metal Engineering MFG

📍 1642 S Sacramento Ave, Ontario, CA, 91761

📞 909-773-1078