ONYX
R&E · PHX
EST. 1999 — PHOENIX, ARIZONA

Engineering
that ships.
For 26 years.

Onyx is a Phoenix-based research & engineering firm building web, software, and hardware for small businesses with serious ambitions.

Grand opening · Día 1
Grand opening · Día 1
Mega 777 storefront
Mega 777 storefront
Floor — 32 cabinets
Floor — 32 cabinets
Mayan Gold · paytable
Mayan Gold · paytable
Manufacturing line
Manufacturing line
Cashless smart-card POS
Cashless smart-card POS
Diamonds · paytable
Diamonds · paytable
Grand opening · Día 1
Grand opening · Día 1
Mega 777 storefront
Mega 777 storefront
Floor — 32 cabinets
Floor — 32 cabinets
Mayan Gold · paytable
Mayan Gold · paytable
Manufacturing line
Manufacturing line
Cashless smart-card POS
Cashless smart-card POS
Diamonds · paytable
Diamonds · paytable
Archive · 2003–2005
Marquee · Skill Stop275 units · MX certified
26
Years
In business
275+
Units shipped
Skill Stop, MX
4
Disciplines
Web · SW · HW · AI
1
Phone call
602.418.6399

Four pillars, one firm.

01 / Services
01

Web

Sites, SEO, ad campaigns. Built to rank and convert for your zip code.

SEOWordPressReact
Explore web →
02

Software

25 years across Assembly, C, C++, C#, Python, Java, JS. React webapps to embedded firmware.

ReactPythonC++
Explore software →
03

Hardware

ARM SoC, sensor fusion, edge compute, BLE/WiFi IoT. From prototype to certified production.

ARMBLEIoT
Explore hardware →
04 NEW · 2026

AI

Practical AI for real small businesses. Workflows, custom models, and integrations that pay for themselves.

LLMRAGVision
Explore ai →
02 / Selected Work

The Skill Stop project.

2003 — 2005 · Mexico
Grand opening · Día 1
Grand opening · Día 1
Mega 777 storefront
Mega 777 storefront
Floor — 32 cabinets
Floor — 32 cabinets
Mayan Gold · paytable
Mayan Gold · paytable
Manufacturing line
Manufacturing line
Cashless smart-card POS
Cashless smart-card POS
Diamonds · paytable
Diamonds · paytable
Grand opening · Día 1
Grand opening · Día 1
Mega 777 storefront
Mega 777 storefront
Floor — 32 cabinets
Floor — 32 cabinets
Mayan Gold · paytable
Mayan Gold · paytable
Manufacturing line
Manufacturing line
Cashless smart-card POS
Cashless smart-card POS
Diamonds · paytable
Diamonds · paytable
Archive · 2003–2005

"Hardware, software, regulatory, and a cashless payment system — Onyx delivered the entire stack."

Over 275 Skill Stop machines designed, manufactured and shipped to Mexico. Onyx developed the hardware, the firmware, the game logic, the cashless smart card payment system, and shepherded certification of the games as games of skill under Mexican gaming regulations.

275+
Units shipped
4
Disciplines, one team
MX
Game-of-skill cert.
$0
Cash on the floor
Read the full case study →
NO-COST · NO-OBLIGATION

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