DJH Competitors

Zentech Manufacturing, Inc. is an engineering-driven electronics contract manufacturing organization specializing in the design and manufacture of highly complex electronic and RF circuit cards and assemblies with locations in Baltimore, MD., Richardson, TX and Bloomington, IL. Zentech maintains key certifications, including ISO 9001:2015, ITAR (US State Dept.), AS9100 (aerospace) and ISO 13485 (medical). In addition, Zentech is a certified IPC 610 Trusted Source supplier for Class 3 mission-critical electronics and the company is IPC J-STD-001 Space Addendum QML certified. Zentech supports many DoD programs and is NIST 800-171 Cyber compliant and is an IPC 1791 Trusted Assembler.

SPECTRA Technologies is a Hong Kong–based technology company specializing in enterprise-grade terminal solutions for global B2B deployments. We work closely with system integrators, solution providers, and enterprise clients to deliver reliable, long-lifecycle terminals designed for retail, self-service, and industrial environments. With deployments across Europe, Southeast Asia, Japan, and South Africa, SPECTRA focuses on hardware stability, lifecycle management, and consistent supply — helping partners reduce operational risk in diverse operating environments. 📩 Contact us for partnership, distribution, or project inquiries.

Exceeding client expectations is the EcoSystems standard. Our impactful and affordable services for multifamily properties and commercial buildings continue to bring “Savings That Mean the World” to our clients and the environment. EcoSystems is a nationwide leader in water and energy conservation. We design and implement savings programs for the multifamily apartment (and specialize in executing projects for Freddie/Fannie green loan programs), hotel, nursing home, and condominium industries. The result? 6 billion gallons of freshwater savings and $57 million back in the pockets of our partners.