Contact Us We look forward to hearing from you. Address & Map J&B Technologies, Ltd. 180 Weldon ParkwayMaryland Heights, MO 63043 Phone: 314-993-5528 Fax: 314-993-6329 Send us a message! Department SalesManaged ServicesRepair Services Name* First Email* Phone How did you hear about us?* AdvertisementBusiness DirectoryReferralSearch Subject* Message* Email This field is for validation purposes and should be left unchanged.