+ISO was an Italian based consultancy company that offered lighting planning, product engineering and prototype development services.

The company also offered OLED lighting services to OLED lighting manufacturers and OLED-based lighting product makers. +ISO was closed down in 2016.

Tsingtek Display, established in 2002 in China is a small-display reseller offering LCD, LCD modules and OLED modules.

The company offers several dot-matrix and character PMOLED modules (which they assemble themselves).

Borun, based in Ningbo China, is a manufacturer of specialty chemicals, in several markets including solar panels, nanomaterials and more.

The company produces several OLED materials and intermediates, including dopants, host materials, transport materials, hole injection materials, Carbazole Derivatives and Fluorene Derivatives.

DLC Display, based in Shenzhen China offers small and medium display modules. The company offers full-color and monochrome PMOLED displays (produced by Irico).

Newhaven Display is a north american small-display supplier. Newhaven offers both LCD and PMOLED panels (character and graphic displays).

In their web site, the company lists prices for small-quantity orders.

Cheil Industries is a Samsung affiliate that produces textiles, fashion, chemicals and electronic chemical materials. In May 2011 the company announced a plan to invest $92 million in an OLED material facility, to produce ETL, HTL and EML materials.

In August 2013, Cheil Industries (together with Samsung Electronics) acquired Novaled for €260 million. In March 2014, Samsung SDI acquired Cheil Industries for $3.3 billion. Samsung Everland, which acquired Cheil's fashion business in March 2014, changed its name to Cheil Industries. So Cheil now is involved with the fashion, construction and resort businesses.

Dialog Semiconductor develops mixed-signal circuits for personal portable, short-range wireless, lighting, display and automotive applications.

Dialog developed a PMOLED driving technology called SmartXtend that included multi-line addressing scheme, pre-charge schemes and accurate dynamic current matching. Dialog said that SmartXtend enabled longer lifetime, lower voltage and higher resolution displays (up to 432x240, currently).

Dialog offered two PMOLED drivers both offering SmartXtend, the DA8620 (320x240) and the DA8622 (432x240). The DA8620 was used in Lenovo's S-800 to drive a TDK 2" transparent PMOLED display.

Dialog is no longer offering the SmartXtend driver ICs.

Dialog Semiconductor is based in Germany and the company is listed in the Frankfurt stock exchange (ticker DLG).

Aglaia Tech, founded in 2005 in Beijing, China was a producer of OLED materials for display and lighting applications - including transport, injection, dopants and emissive materials.

The company is no longer in business.

Dow Chemical (NYSE: DOW) is one of the largest chemical companies in the world, providing materials for industries such as electronics, water, energy, coating and agriculture.

Dow develops and supplies organic stack materials for OLED displays. In 2015 Dow Chemical merged with DuPont to create DowDuPont.

Optrex was established in 1976 by Asahi Glass and Mitsubishi Electric and was headquartered in Tokyo, Japan. Optrex designed and produced LCD and PMOLED displays.

In December 2011 Kyocera bought Optrex, which is now called Kyocera Display.