It has been a busy time for tech providers behind corporate ground transport services. This week Marcou Transportation Group acquired GroundLink, a service that enables corporate travel managers to schedule black car service and that had raised $20 million.

Two of GroundLink’s rivals also merged, when iCars bought Limos.com this month. (Limos.com had raised more than $15 million.)

Each week we create a roundup of travel startups that have received or announced funding that week. The total amount raised this week was more than $5.5 million.

>>Oasis Collections, a Buenos Aires-based company, offers vacation rentals at more than 1,500 luxury properties worldwide. This week it received an investment of $2.5 million (about 39 million Argentine pesos) as a convertible note from an “undisclosed investor.” The latest funding brings its total investment to an estimated $8.5 million.

Oasis says it pioneered the “home meets hotel” category of accommodations. Guests enjoy hotel-style amenities during their vacation rental stays.

Last year, AccorHotels took a 30 percent equity share in the company, which debuted in 2009. Last year AccorHotels also acquired brands including Onefinestay, Squarebreak, and John Paul — which all are part of the luxury home and concierge sector. See our earlier story, “What AccorHotels’ Entry Into the Sharing Economy Means for the Future…