| 7-SigmaServices | | Service examines all those areas in which productivity and quality may be subtantially improved in a manufacturing company to improve profitability. |
| Amistadm | | Assists companies in setting up operations in Mexico. Offers site selection, construction management, shelter construction, knowledge of local labor and regulatory environment. |
| Amtec Corrosion Engineers | | Consultancy and test house specializing in coatings breakdown, corrosion failures and testing. Services include inspection for marine, industrial, shipping and oil field industries. |
| Anbor Consulting | | Spain-based consultants offer industrial and logistic process improvement through the application of lean manufacturing techniques such as JIT, TQM and TPM. |
| Argee, Inc. | | Product development services for manufacturers of continuous glass fibers. |
| Argo Consulting | | Operations consulting company with offices in Chicago and Brussels and projects in 15 countries. Specialties include Lean Transformation, Six Sigma, Kaizen, Kanban, Just in Time, Toyota production system, and New Product Development. |
| Arrow Sphere | | Engineering and consulting services to the metal-forming industry. Makes clear plastic shelving and displays for point of purchase sales. |
| ASEMA International | | Australia-based mechanical consulting engineers for rollingstock, automotive, marine and aeorspace industries. |
| AsiaTek | | Product design, contract manufacturing and packaging services for businesses and entrepreneurs. |
| Aspacia Systems | | Manufacturing support software systems for variety of computer systems and company sizes. Also offer training. |
| Austin Associates | | Consulting firm specializes in product and tool design to the lost foam casting industry. |
| Axeon | | Consulting firm specializes in assisting organizations to understand, implement, and maintain ISO certification. This is done through consulting, auditor training, and corrective action education. |
| Basic Lean, Inc. | | Provides lean manufacturing implementation services. Consulting firm specializes in tailored approaches for integrating lean concepts, applications and systems. | |
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