The Empty Triangle

Question:
Which figure should be placed in the empty triangle?

Congratulations to everyone who answered correctly!

FIRST NAMELAST NAMECOMPANYBUILDING
AngelitaJesmeEpicIDS Center-Minneapolis
AlejandraTorelloAcccessoAccesso One-Hallandale
AlexSmithR.G. Miller EngineersAtrium at Park Ten-Houston
AndrewLoflinImagine CharlotteInnovation Park-Charlotte
AustinZenR.G. Miller EngineersAtrium at Park Ten-Houston
BhavikaHemantkumar BalaniR.G. Miller EngineersAtrium at Park Ten-Houston
CarolHayesHays CompaniesIDS Center-Minneapolis
CedricMendiolaHays CompaniesIDS Center-Minneapolis
DebKolarAccesso Services LLCIDS Center-Minneapolis
DennisYazdanpanahR.G. Miller EngineersAtrium at Park Ten-Houston
HeatherAllenAlightInnovation Park-Charlotte
IldikoSzivosAccesso ServicesAccesso One-Hallandale
JenniferWilliamsUnique Mind CareYorktown-Houston
JonCroftImagine PrintInnovation Park-Charlotte
KimMurrayAccesso ServicesOne City Centre-Houston
LisaBialasISI230 W. Monroe-Chicago
LynnFrostSafe Money with Scott Mann1717 St James-Houston
MarcyColungaR.G. Miller EngineersOne Park Ten-Houston
PaulLockwoodVitality Group200 W. Monroe-Chicago
RobMcFaddenSipcam AgroMeridian-Durham
RobertGrahamAccessoOne Park Ten-Houston
RobinPeckNovogradac & CompanyEncore Commons-Alpharetta
SeanMcCallTTI Floor CareInnovation Park-Charlotte
ShariStiglicDesman, INC20 N. Clark-Chicago
SharonHouckAllstateInnovation Park-Charlotte
VinayGoelRG MillerAtrium at Park Ten-Houston