Both time-and-materials and turnkey system, fixed-bid arrangements, can be accommodated. SDA is capable of providing hardware design, software design or PCB design services. SDA can also develop and deliver complete systems, designed to meet client needs and specifications. The goal at SDA is to provide complete solutions and total satisfaction for our customers. To do this we are flexible in our arrangements, offering both outside or on-site services, and necessary personnel and equipment as client needs dictate.