Propeller, a 3D mapping and worksite analytics company that builds hardware and software for data capture, processing, and analysis for construction, aggregates, mining, and waste management worksites, have raised $18 million in Series B funding.

Elevate Security has raised $8 million in a Series A funding round.

Redwood City, Calif.-based data catalog company Alation has raised $50 million in a Series C funding round.