OA/DA Services · Professional surveys on OA's using Tech-Mate for fast accurate surveys · Inform you within one day of contact, the appointment day and time · Evening & Saturday appointments available · Survey faxed back within 24 hours of the appointment · Priority dispatch for all oa's and da's  · Fully uniformed and experienced drivers, packers and labor · Climate controlled 60,000to 180,000 sq ft. of warehouse space for your storage customers · Maps and directions provided to the drivers handling the oa, da shipments · Bi-Weekly follow ups on all will advise customers.