Manufacturing Quality Products Since 1936

Salsbury Industries Mailbox Company has a wide variety of commercial and residential mailboxes (Cluster Box Units (CBUs), 4C horizontal mailboxes, 4B+ horizontal mailboxes, vertical mailboxes, distribution boxes, roadside locking mailboxes, traditional post mounted mailboxes, brass mailboxes, wall mounted mailboxes, column mailboxes, mail chests, package drops, etc.) to accommodate a variety of markets. Our quality postal product lines are used in apartment buildings, condominiums, homes, college and university mailrooms, private postal centers, corporate mail centers, military bases, office buildings and residential developments.


In business since 1936, Salsbury Industries is home to The industry leader in the manufacturing and distributing of quality commercial and residential mailboxes and custom signage, Salsbury Industries is officially licensed by the USPS to manufacture Cluster Box Units (CBU’s). Our company offers a wide variety of USPS approved products and all of our mailboxes are delivered fully assembled and ready for installation. Most orders ship within 24 to 48 hours of receipt.


Salsbury Industries manufacturing facilities are ISO 9001:2015 Certified. Operating in over 600,000 square feet in Los Angeles, CA and Columbus, OH, our vertically integrated manufacturing facilities and quality control procedures allow us to effectively and efficiently produce components that are machined, powder coated, assembled, packaged and shipped from our facilities. Our warehouses are filled with mailboxes to meet your requirements.

Large Inventory

Salsbury Industries is proficient at shipping a wide selection of commercial and residential mailboxes. Our warehouses are filled with quality products and most items ship within 1-2 days from the date an order is received. Whether you are located around the block or around the world, you can count on Salsbury Industries to deliver quality products on time from our distribution facilities. Stop by and visit our showroom where you can see all the products that are ready to ship today.

Commercial Mailboxes

Salsbury Industries carries a complete line of commercial mailboxes for U.S.P.S. and private delivery. Commercial mailboxes are designed for multi-tenant applications where the U.S. Postal Service will be delivering mail to each bank of mailboxes. Salsbury Industries also carries a complete line of commercial mailboxes for private distribution. Choose from this group of products when a private individual (non U.S.P.S. employee) will be delivering the mail.

Residential Mailboxes

Salsbury Industries carries a complete line of Residential Mailboxes. Curbside residential mailboxes are U.S.P.S. approved and will add curb appeal to any home. Residential mailboxes can be purchased for individual installations or can be clustered together with spreaders or larger posts for multi-unit curbside delivery. Salsbury Industries offers a variety of Residential Mailboxes including Wall Mounted Mailboxes, Column Mailboxes and Locking Mailboxes.

Cell Phone

Salsbury cell phone storage lockers are ideal for use in gyms, health clubs, government buildings, schools and other settings where small items need to be securely stored and are available in 5” and 8” depths. Constructed entirely of aluminum, cell phone storage lockers can accommodate cell phones, iPad’s, wallets, keys, cameras, tablet PC's and other small items. Cell phone storage lockers can be ordered with resettable combination locks or master keyed locks.

ISO 9001:2015 Certified

Salsbury Industries manufacturing facilities are ISO 9001:2015 certified. ISO 9001:2015 is an internationally recognized Quality Management System that requires a company to identify, define, document, implement, monitor and measure, and continually improve the effectiveness of its processes for the purposes of enhancing Customer Satisfaction. Companies must undergo third-party audits by accredited certification boards in order to become ISO 9001:2015 certified.

USPS Official Licensee

Salsbury Industries Manufactures CBU’s that are Officially Licensed by the U.S.P.S. Salsbury 3300 series Cluster Box Units are manufactured to U.S.P.S. “F” specifications. They are an officially licensed product of the U.S. Postal Service for centralized mail delivery. License Number 1CDSEQ-08-B-0026..

The Industry Leader in Quality Mailboxes

Our trained and knowledgeable staff members are ready to assist you with mailbox product information, quotations and orders between the hours of 6:00 am and 5:00 pm PST Monday through Friday. From selecting proper equipment to space saving ideas, you can count on expert guidance every step of the way. Experienced professionals are available to answer all of your questions regarding our mailboxes.

Our estimating department can provide quotations for commercial and residential mailboxes within 24-48 hours. Quotations can be requested via e-mail, phone, fax or through our website at Shop If you are bidding on a particular project, supply your mailbox specifications and our estimating department will respond promptly with a quotation.

Salsbury Industries offers the convenience of on-line ordering. We offer customers the flexibility of shopping 24 hours a day, 7 days a week at and we guarantee reliable and timely delivery. All transactions are processed through a secure server which ensures that your information remains confidential. Shop to view our complete selection of residential and commercial mailboxes.

Dedicated Employees

Salsbury employs approximately 200 dedicated men and women & is involved in many community activities & projects.

Customer Service

Customer Service Representatives are available to provide free quotations, product information and expert guidance.

Design Engineers

Design Engineers are available to architects, spec writers and individuals involved in the design of mail facilities.