vert is a retail dilutor 

Key Level II Players:

TOP 5 MOST IMPORTANT (typically out of dilution) : NITE, ETRD, SCHB, TDCM & ARCA .

NITE & SCHB are wholesalers, TDCM a retailer, ETRD a retail ECN and ARCA an ECN.

NITE : This is the king MM of the OTC. He intimides traders and other MMs use that to their advantage knowing that he scares them. That's why NITE is the shaker on most stock runs; he is the most common ax. NITE could be on the ask all the time, he could be leading a dip scaring sellers to his buddies SCHB and TDCM on the bid.

TDCM : Retailer MM, you love him on the bid.

Biggest OTCBB ECNs : GNET, TRAC & DATA - you love them on bids also.

Other ECNs : ARCA, BRUT, BTRD, INCA, INTL, ISLD, REDI

Big Shorters : JIMK, POND, GNET or ARCA (anyone can use GNET, even other MMs because it's an ECN).

Wholesalers : ETRD, HRZG, MASH, NITE, SHWB

Top Retail Dilutors : ACAP, AGIS, BAMM, BMIC, CHIG, CLYP, FANC, FRAN, JIMK, MAYF, NATL, PERT, SACM, UCAP, VERT, VFIN

reference source
http://www.stockmarketcats.com/showthread.php?t=14