Our Companies

Freelance Electronics

Established: 1996

Freelance Electronics

Freelance Electronics, Inc. was founded in 1996 by Dustin Carreon, President of C.O.I. Holdings. The business specializes in supplying electronic components that are hard to find and obsolete. Industries served include medical, aerospace, defense, telecommunication, consumer, automotive and any other industry that uses electronic components.

With over 300,000 parts available, the company thrives on same day shipping and expertise in sourcing and procurement. Additionally, a very successful eCommerce platform has propelled the business to outpace previously established financial goals.
Certifications include ISO 9001: 2015 and ANSI/ESD S20.20.

Santa Fe Springs, CA



Established: 1976

B&B Socket Products

B&B Socket Products, Inc. (“B&B”) supplies military and commercial fasteners. Since 1976, the business boasts the most sophisticated inspection equipment in the fastener industry. As an authorized distributor for over 20 manufacturer lines stock items are readily available for quick shipping from Southern California.

B&B also works with manufacturers to supply custom products such as machine screws, washers, pins, bolts, inserts, springs rivets, and many more. The company is certified AS9100D: 2016. C.O.I. Holdings acquired B&B Socket Products, Inc. in 2017.

Santa Fe Springs, CA



Established: 1997

Quest Fasteners and Industrial Supply

Quest Fasteners and Industrial Supply, Inc. (“Quest Fasteners”) houses everything from basic hardware such as nuts, bolts, washer, and screws, to rare, highly technical fasteners. The company also specializes in industrial supplies such as safety equipment, shop supplies, and contractor supplies. Custom part sourcing is also offered in addition to unique services such as custom packaging and kitting, which is meant to streamline customer production needs and decrease labor costs. Kits can include multiple parts, as well as instruction sheets, material certs and more.

Another unique service offered is bin stocking, which allows Quest Fastener service techs to maintain and manage the customers inventory and retain stock levels. Quest Fasteners and Industrial Supply, Inc. was acquired by C.O.I. Holdings in 2020.

Pacific, Washington



Established: 1954


Sierra Pacific Supply Company, Inc. (“Sierra Pacific”) is a leader in sourcing precision fasteners since 1954. For over 50 years, the company has built a strong and reliable reputation as one of the largest fully diversified distributors in the industry. A “one stop shop” for precision fastener needs, the company services the aerospace, military, and commercial industries. The product line consists of Mil-Spec (AN-MS-NAS-NASM), flight, high strength and specialty made print fasteners.

In addition, the Sierra Pacific Supply team can arrange for various supply chain management solutions that correspond with individual requirements. Sierra Pacific’s top priority is customer satisfaction, which is demonstrated with the right combination of experience and technical knowledge. The company is certified AS9100D: 2016. C.O.I. Holdings acquired Sierra Pacific Supply Company, Inc. in 2021.

Compton, California


Partnering with our team gives peace of mind to sellers that their business is transitioning into the best hands.