"conglomeration with" is correct and usable in written English.
You can use it to refer to a coming together of two or more entities to form a larger entity. For example, "The new company was formed through a conglomeration with several smaller companies."
Corporate conglomeration, coupled with huge crossover successes like Andrea Bocelli and the Three Tenors, have virtually squeezed out more adventurous classical recording projects, leaving behind an industry that has largely lost its nerve.
Among the 251 patients, 11 were excluded: five could not undergo R0 resection (three with tumor invasion of adjacent structures, two with conglomeration of lymph nodes), three had distant metastases, and three did not have adenocarcinoma (two neuroendocrine carcinomas, one lymphoma).
The α-Fe2O3nanoparticles formed the small conglomerations composed with several pieces of α-Fe2O3nanoparticles in water.
The final MCMB fluorides are themselves a conglomeration of particles with diameters ranging from 1 to 3 μm.
D'Aloisio says that Yahoo! operates very much like a conglomeration of startups, with teams operating as more or less independent "pods" within the larger company, each focused on a particular product or focus, like a pod focused on the mobile application, or a pod focused on summarization (the Summly team).
Publishers are notoriously awful at branding, and Hachette, like the other four major publishers, is a conglomeration of imprints with different identities.
Ms. McKee said that however much a customer might cherish a single "temple of luxury," the department store represents a "mecca" with a conglomeration of brands under one roof.
Nicknamed Orator Jim, O'Rourke once unloaded this argument on an umpire, "I am conversant with the conglomeration of facts in this case, and as my optical eyesight is of extreme excellence, I am positive of your misinformation".
There must have been a time a long way back in history when London felt like One Place, but gradually, while still knowing itself to be London, it became a conglomeration of villages, each with its own centre and character.
With a conglomeration of individuals in urban places and the density of people from all walks of life, cultures and creeds, cities have a dynamism that productively pushes our country forward.
