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SDG Systems SDG Systems
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Business Details
25 Years
experience
Custom Software Solutions for Asset Tracking & IoT
We are a software solutions company focused on helping businesses gain greater value from their data through innovative technology integration. Founded in 2001, our expertise spans RFID, IoT, Android/Linux porting, and custom software development, serving industries like manufacturing, logistics, and healthcare. Our Agile and Lean methodologies ensure efficient project execution, while our team of engineers prioritizes technical excellence over sales-driven approaches.

With a proven track record of serving 1,500+ customers globally, we deliver scalable solutions like TallyFlow asset tracking, PhotoTag photo management, and TallyPay payment systems. Our commitment to fair pricing, 20+ years of Android expertise, and 96 PPE score reflect our dedication to quality and client satisfaction.
Services
TallyFlow Asset Tracking PhotoTag Photo Management TallyPay Payment Processing RFID Integration Custom Software Development Android/Linux Porting MDM Solutions RFID Middleware Asset Tracking Systems IoT Solutions
Details
  • Year established: 2001
Highlights and features
  • We have more engineers than sales people, ensuring technical expertise.
  • Leader in rugged Android (AOSP) devices since 2009.
  • We provide fair pricing with products discounted from list price.
  • Rated 96 PPE score (top 20%) by Open Ratings.
  • 15+ years of experience serving 1,500+ global customers.
What people say
Time reduced to minutes Excellent product Innovative solutions Proven track record Technical expertise
Update Listing
Services
TallyFlow Asset Tracking
TallyFlow combines RFID and barcode technologies for real-time asset tracking across industries. Our cloud-based system improves productivity by locating tools, inventory, and personnel while generating compliance reports. Used in manufacturing, construction, and food safety sectors, it reduces material waste through automated workflows and analytics.
PhotoTag Photo Management
PhotoTag organizes business photos using AI-driven tagging and cloud storage. The mobile app automatically adds GPS and date metadata, enabling search by serial numbers, categories, or locations. Scalable from small businesses to enterprises handling millions of images, it streamlines workflows for freight claims, manufacturing inspections, and progress tracking.
TallyPay Payment Processing
TallyPay automates invoicing using IoT and Bitcoin Lightning Network. It generates dynamic invoices for rental equipment, utility usage, or delivery confirmations. Integrating with RFID/barcode systems, it reduces manual billing errors while enabling programmable payments with near-instant settlement and low fees through Strike partnership.
Custom Software Development
We build cross-platform mobile and web apps using Xamarin, Flutter, and native tools. Our services include Android/Linux porting, RFID middleware, and integration with AWS, Firebase, and Procore. Expertise spans kiosk mode implementations, payment terminal integrations, and enterprise-grade IoT solutions for Fortune 500 clients.
RFID Integration Solutions
Our RFID solutions connect hardware to industrial networks via ModBus protocols. We implement UHF/NFC tracking systems for asset management, access control, and sensor data collection. Custom middleware like TAGTalk enables enterprise-wide RFID deployment with backend system integration for manufacturing and logistics applications.
People
Todd Blumer
CEO
Todd has led SDG Systems since 2001 with 30+ years of IT leadership experience. He holds a Master's in Computer Science from Clemson University and previously worked at FORE Systems and Data General.
Philip Knight
Director of Product Development
Philip manages IoT and mobile solutions development. He brings experience from IBM and JPMorgan Chase in software engineering and product management roles across financial and tech sectors.
Alyssa Blumer
Office Manager
Alyssa handles financial operations and leads UI design for TallyFlow and PhotoTag. She manages sales processes and maintains SDG's digital infrastructure since joining the company.
Jay Slater
Lead Software Engineer
Jay specializes in cross-platform mobile apps and RFID drivers. With a decade at SDG, he's worked on projects ranging from ordnance detection systems to payment terminal integrations.
Ben Waldee
Software Engineer
Ben focuses on AWS backend systems and full-stack development. He creates proofs-of-concept and documentation while supporting client assessments of new technologies and frameworks.
Questions
What industries do SDG Systems serve?
We serve manufacturing, logistics, healthcare, agriculture, and government sectors with asset tracking, photo management, and IoT solutions.
How does TallyFlow improve asset tracking?
TallyFlow uses RFID/barcodes to locate assets in real-time, reducing material waste by 30% and automating compliance reporting for FSMA and OSHA standards.
Is there a free trial for PhotoTag?
Yes, we offer a 30-day free trial with full cloud storage and mobile app functionality, no credit card required.
Do you offer custom software development?
Yes, our team builds cross-platform apps, IoT integrations, and enterprise systems tailored to specific business requirements using Agile methodologies.
How does TallyPay use Bitcoin technology?
TallyPay generates Bitcoin Lightning invoices for IoT-triggered events, enabling programmable payments with instant settlement and 0.25% transaction fees through Strike.
What support options are available?
Support is available 8-5 EST via phone or email, including remote configuration, pilot system setup, and on-site installation within 3 hours of Pittsburgh.
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